MTU 12V2000G series Operating Instructions Manual page 84

230 – SD Crankshaft Speed
Yellow alarm; warning
Cause
Crankshaft sensor faulty.
231 – SD Camshaft Speed
Yellow alarm; warning
Cause
Camshaft sensor faulty.
239 – SD P-Diff Fuel
Yellow alarm; warning
Cause
Fuel pressure sensors faulty.
240 – SD P-Fuel
Yellow alarm; warning
Cause
Fuel pressure sensor before
intermediate filter faulty.
245 – SD ECU Supply Voltage
Yellow alarm; warning
Cause
Internal ECU fault.
266 – SD Speed Setting
Yellow alarm; warning
Cause
Analog speed setting faulty.
269 – SD Loadp. Analog fil.
Yellow alarm; warning
Cause
The filtered analog signal from the
load pulse is not present.
84 | Troubleshooting | MS15054/00E 2015-09
Corrective action
1. Check sensor B13 and wiring, replace as necessary (→ Page 162).
2. Fault is rectified when engine is restarted, contact Service if this is
not the case.
Corrective action
1. Check sensor B1 and wiring, replace as necessary (→ Page 162).
2. Fault is rectified when engine is restarted, contact Service if this is
not the case.
Corrective action
u Check sensor B34.2, sensor 34.3 and wiring, replace as necessary
(→ Page 162).
Corrective action
u Check sensor B34.3 and wiring, replace as necessary
(→ Page 162).
Corrective action
u Replace Engine Control Unit.
Corrective action
1. Check speed setting transmitter and wiring, replace as necessary
(→ Page 162).
2. Fault is rectified when engine is restarted.
Corrective action
1. Check wiring, replace as necessary.
2. Fault is rectified when engine is restarted.